: This condition presents as ridges in the thumbnail caused by chronic picking or rubbing of the cuticle. Physicians often recommend covering the area with tape as a primary therapy to halt the behavior and allow the nail to heal.

: These devices act as a physical deterrent for adult thumb sucking, skin picking (dermatillomania), nail biting, or hair pulling (trichotillomania).

Mature or adult "thumb guards" are specialized covers used to manage body-focused repetitive behaviors (BFRBs).